Home / 1,761,631.80-2,431,064.10-956,815.80

Finding the Fourth Proportional to 1,761,631.80, 2,431,064.10 and 956,815.80

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Solution

The fourth proportional to 1,761,631.80, 2,431,064.10 and 956,815.80 is: 1,320,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,631.80 : 2,431,064.10 = 956,815.80 : x
  2. Step 2: Convert to fraction form
    1,761,631.80/2,431,064.10 = 956,815.80/x
  3. Step 3: Cross multiply
    1,761,631.80x = 2,431,064.10 × 956,815.80
  4. Step 4: Simplify right side
    1,761,631.80x = 2,326,080,541,692.78
  5. Step 5: Solve for x
    x = 2,326,080,541,692.78/1,761,631.80
  6. Step 6: Final answer
    x = 1,320,412.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.